Aaron Salgado, a DEVCOM CBC chemist, places a tube containing a layer of carbon from the second source into a testing system that will analyze the time it would take a chemical agent to break through it.

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Size: 1477px × 1692px
Photo credit: © Operation 2021 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: .., army, biological, center, chemical, devcom